| /* |
| * Copyright 2011 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdio.h> |
| |
| #include "sfntly/font.h" |
| #include "sfntly/table/table.h" |
| #include "sfntly/tag.h" |
| #include "subtly/stats.h" |
| |
| namespace subtly { |
| using namespace sfntly; |
| |
| int32_t TotalFontSize(Font* font) { |
| int32_t size = 0; |
| const TableMap* table_map = font->GetTableMap(); |
| for (TableMap::const_iterator it = table_map->begin(), |
| e = table_map->end(); it != e; ++it) { |
| size += it->second->DataLength(); |
| } |
| return size; |
| } |
| |
| double TableSizePercent(Font* font, int32_t tag) { |
| TablePtr table = font->GetTable(tag); |
| return static_cast<double>(table->DataLength()) / TotalFontSize(font) * 100; |
| } |
| |
| void PrintComparison(FILE* out, Font* font, Font* new_font) { |
| fprintf(out, "====== Table Comparison (original v. subset) ======\n"); |
| const TableMap* tables = font->GetTableMap(); |
| for (TableMap::const_iterator it = tables->begin(), |
| e = tables->end(); it != e; ++it) { |
| char *name = TagToString(it->first); |
| int32_t size = it->second->DataLength(); |
| fprintf(out, "-- %s: %d (%lf%%) ", name, size, |
| TableSizePercent(font, it->first)); |
| delete[] name; |
| |
| Ptr<FontDataTable> new_table = new_font->GetTable(it->first); |
| int32_t new_size = 0; |
| double size_percent = 0; |
| if (new_table) { |
| new_size = new_table->DataLength(); |
| size_percent = subtly::TableSizePercent(new_font, it->first); |
| } |
| |
| if (new_size == size) { |
| fprintf(out, "| same size\n"); |
| } else { |
| fprintf(out, "-> %d (%lf%%) | %lf%% of original\n", new_size, |
| size_percent, static_cast<double>(new_size) / size * 100); |
| } |
| } |
| } |
| |
| void PrintStats(FILE* out, Font* font) { |
| fprintf(out, "====== Table Stats ======\n"); |
| const TableMap* tables = font->GetTableMap(); |
| for (TableMap::const_iterator it = tables->begin(), |
| e = tables->end(); it != e; ++it) { |
| char *name = TagToString(it->first); |
| int32_t size = it->second->DataLength(); |
| fprintf(out, "-- %s: %d (%lf%%)\n", name, size, |
| TableSizePercent(font, it->first)); |
| delete[] name; |
| } |
| } |
| } |